45888889 has 4 divisors (see below), whose sum is σ = 45918820. Its totient is φ = 45858960.

The previous prime is 45888877. The next prime is 45888893. The reversal of 45888889 is 98888854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98888854 = 2 ⋅49444427.

It can be written as a sum of positive squares in 2 ways, for example, as 27741289 + 18147600 = 5267^2 + 4260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45888889 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (45888839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12534 + ... + 15775.

It is an arithmetic number, because the mean of its divisors is an integer number (11479705).

Almost surely, 2^45888889 is an apocalyptic number.

It is an amenable number.

45888889 is a deficient number, since it is larger than the sum of its proper divisors (29931).

45888889 is a wasteful number, since it uses less digits than its factorization.

45888889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29930.

The product of its digits is 5898240, while the sum is 58.

The square root of 45888889 is about 6774.1338191683. The cubic root of 45888889 is about 358.0160646329.

The spelling of 45888889 in words is "forty-five million, eight hundred eighty-eight thousand, eight hundred eighty-nine".